Obtained 27 stack frames.
/usr/games/crawl-0.16(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5a2f63]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.16(_Z20crash_signal_handleri+0x1a5) [0x5a3305]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f01ae5474c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f01ae8ddb7b]: 
/usr/games/crawl-0.16() [0x5a9e59]
/usr/games/crawl-0.16() [0x5aa101]
/usr/games/crawl-0.16() [0x591397]
/usr/games/crawl-0.16(_Z11real_colourjRK9coord_def+0x22) [0x591512]: real_colour(unsigned int, coord_def const&)
/usr/games/crawl-0.16(_Z14get_cell_glyphRK9coord_defbi+0x15b) [0x9771fb]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-0.16(_Z10screenshotv+0x132) [0xa773b2]: screenshot()
/usr/games/crawl-0.16(_Z13do_crash_dumpv+0x2111) [0x5ac4a1]: do_crash_dump()
/usr/games/crawl-0.16(_Z20crash_signal_handleri+0x9c) [0x5a31fc]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f01ae5474c0]: 
/lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f01ae5f6100]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f01ae58a313]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x791da) [0x7f01ae58a1da]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x23e) [0x7f01ae58ac8e]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4d016) [0x7f01ae55e016]: 
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x59e) [0x7f01ae558c1e]: 
/lib/x86_64-linux-gnu/libc.so.6(__fprintf_chk+0xeb) [0x7f01ae6188cb]: 
/usr/games/crawl-0.16(_Z3endibPKcz+0x237) [0x63edd7]: end(int, bool, char const*, ...)
/usr/games/crawl-0.16(_Z9save_gamebPKc+0x160) [0x660920]: save_game(bool, char const*)
/usr/games/crawl-0.16() [0x79dc83]
/usr/games/crawl-0.16() [0x79ea25]
/usr/games/crawl-0.16(main+0x303) [0x7a1a23]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f01ae53276d]: 
/usr/games/crawl-0.16() [0x5077a9]